diff --git a/app/controllers/spree/admin/digitals_controller.rb b/app/controllers/spree/admin/digitals_controller.rb
index 1a429a0..ecfdf0c 100644
--- a/app/controllers/spree/admin/digitals_controller.rb
+++ b/app/controllers/spree/admin/digitals_controller.rb
@@ -1,6 +1,6 @@
 module Spree
   class Admin::DigitalsController < Spree::Admin::ResourceController
-    belongs_to "spree/product", find_by: :permalink
+    belongs_to "spree/product", :find_by => :permalink
     
     protected
       def location_after_save